John w



@uiten tette getint gift,

Letters Patent No. 75,574, dated .March 17, 1868.

IMPROVEMENT IN WAGON-HUB, AXLE,l AND BOX.

ilgt Stimuli: nfrmh tu in this: rtns Emmi :mh making part of the sami.

T0 ALL WHOM IT MAY CONCERN:

Be it known that I, JOHN W. POLLOCK, of Cross Bridges, in the county of Maury, and State of Tennessee, have invented new and useful Improvements in Hubs, Boxes, und Axles; and I do hereby declaro that the following is n full, clear, and exact description thereof, which will enable others skilled in the art to malte and use tbe same, reference being had to the accompanying drawings, forming port of this specification.

This invention'relntcs to s new und improved method of constructing and combining the hubs, boxes, and axles of wheeled vehicles, whereby the same are r'endered more durable und convenient.

The present invention is, in part, an improvement on the subject-matter of :in invention for which Letters Patent of thc United States of America have issued, or have been ordered to issue to me, und consists in the combination of the hub, which was the subject-matter of said invention, with the box and axle, as hereinafter described. In thc accompanying plate of drawings- Figure 1 represents a central longitudinal section of my invention` tnken in the line yy, fig. 2.

Figure 2 represents u cross-section of the same, laken in the line z 2:, iig. 1.

Similar letters of reference indicate corresponding purr?.

l if. A it rigidly secured a metallic spindle, B, ns shown in the drawing, Eg. l, and to the ,under side ot' tiny wonden inn wie, (j, is firmly secured by clamps, as simon, the box D. The box D muy he made oi'one piece, similar to the pipc-bo ut-`y now commonly in use, or the sume muy bc in two parti, wthnbbit other soft metal upon the inside. The spin-lle C rotates within thtI box D, und has, near tbe end of the sume, onwil. :L: bsx Ei. :i qroove, as shown, und through thc box D is n key-way, to receive the key a, as shown, in such u manner that the spindle B will beheld within the box D by thc key a, nt the sume time that n rotating motion is permitted to the spindle B und tbe hub A, attached to said spindle B.

I claim its new, land desire to secure by Letters Patent- I` The combination of the hnb A and the box D with each other, and with the axle C, substantially as shown und described, und for the purposes set forth.

2. The combination of the box D with the nxle C, substnntinlly :is shown and described, and for the purposes set forth.

The above specilcntion of my invention signed by me, this day of l 1867.

JOHN W. POLLOGK.

Witnesses:

A. Bowen,

SAML. i". Mures. 

